linux-kernel - Re: [PATCH v3 5/6] selftests/mm: kvm, mdwe fixes to avoid requiring "make headers"

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Message-ID: <7421843a-43ba-467f-ac43-102f2e00e2ae@redhat.com>
Date: Tue, 18 Jun 2024 09:31:55 +0200
From: David Hildenbrand <david@...hat.com>
To: John Hubbard <jhubbard@...dia.com>,
 Andrew Morton <akpm@...ux-foundation.org>, Jeff Xu <jeffxu@...omium.org>,
 Shuah Khan <shuah@...nel.org>
Cc: Andrei Vagin <avagin@...gle.com>,
 Axel Rasmussen <axelrasmussen@...gle.com>,
 Christian Brauner <brauner@...nel.org>, Kees Cook <kees@...nel.org>,
 Kent Overstreet <kent.overstreet@...ux.dev>,
 "Liam R . Howlett" <Liam.Howlett@...cle.com>,
 Muhammad Usama Anjum <usama.anjum@...labora.com>,
 Peter Xu <peterx@...hat.com>, Rich Felker <dalias@...c.org>,
 linux-mm@...ck.org, linux-kselftest@...r.kernel.org,
 LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 5/6] selftests/mm: kvm, mdwe fixes to avoid requiring
 "make headers"

On 18.06.24 04:24, John Hubbard wrote:
> On Ubuntu 23.04, the kvm and mdwe selftests/mm build fails due to
> missing a few items that are found in prctl.h. Here is an excerpt of the
> build failures:
> 
> ksm_tests.c:252:13: error: use of undeclared identifier 'PR_SET_MEMORY_MERGE'
> ...
> mdwe_test.c:26:18: error: use of undeclared identifier 'PR_SET_MDWE'
> mdwe_test.c:38:18: error: use of undeclared identifier 'PR_GET_MDWE'
> 
> Fix these errors by adding a new tools/include/uapi/linux/prctl.h . This
> file was created by running "make headers", and then copying a snapshot
> over from ./usr/include/linux/prctl.h, as per the approach we settled on
> in [1].
> 
> [1] commit e076eaca5906 ("selftests: break the dependency upon local
> header files")
> 
> Cc: David Hildenbrand <david@...hat.com>
> Signed-off-by: John Hubbard <jhubbard@...dia.com>
> ---

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb